1 /* Copyright (C) 2012-2018 Free Software Foundation, Inc. 2 3 This file is part of GCC. 4 5 GCC is free software; you can redistribute it and/or modify 6 it under the terms of the GNU General Public License as published by 7 the Free Software Foundation; either version 3, or (at your option) 8 any later version. 9 10 GCC is distributed in the hope that it will be useful, 11 but WITHOUT ANY WARRANTY; without even the implied warranty of 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 GNU General Public License for more details. 14 15 Under Section 7 of GPL version 3, you are granted additional 16 permissions described in the GCC Runtime Library Exception, version 17 3.1, as published by the Free Software Foundation. 18 19 You should have received a copy of the GNU General Public License and 20 a copy of the GCC Runtime Library Exception along with this program; 21 see the files COPYING3 and COPYING.RUNTIME respectively. If not, see 22 <http://www.gnu.org/licenses/>. */ 23 24 #ifndef _IMMINTRIN_H_INCLUDED 25 # error "Never use <xtestintrin.h> directly; include <immintrin.h> instead." 26 #endif 27 28 #ifndef _XTESTINTRIN_H_INCLUDED 29 #define _XTESTINTRIN_H_INCLUDED 30 31 #ifndef __RTM__ 32 #pragma GCC push_options 33 #pragma GCC target("rtm") 34 #define __DISABLE_RTM__ 35 #endif /* __RTM__ */ 36 37 /* Return non-zero if the instruction executes inside an RTM or HLE code 38 region. Return zero otherwise. */ 39 extern __inline int 40 __attribute__((__gnu_inline__, __always_inline__, __artificial__)) 41 _xtest (void) 42 { 43 return __builtin_ia32_xtest (); 44 } 45 46 #ifdef __DISABLE_RTM__ 47 #undef __DISABLE_RTM__ 48 #pragma GCC pop_options 49 #endif /* __DISABLE_RTM__ */ 50 51 #endif /* _XTESTINTRIN_H_INCLUDED */ 52